JavaScript Unicode: flag “u” and class \p{…}
1. Overview JavaScript uses Unicode encoding for strings. Most characters are encoded with 2 bytes, but that allows to represent at most 65536 characters. That range is […]
Class
JavaScript Class checking: “instanceof”
The instanceof operator allows to check whether an object belongs to a certain class. It also takes inheritance into account. Such a check may be necessary in […]
JavaScript Class inheritance
Class inheritance is a way for one class to extend another class. So we can create new functionality on top of the existing. 1. The […]
JavaScript Class basic syntax
In object-oriented programming, a class is an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions or methods). […]
Guide to the Java Clock Class
1. Overview In this tutorial, we’re going to look into the Java Clock class from the java.time package. We’ll explain what the Clock class is and how we can use it. 2. The Clock Class […]
What is a POJO Class?
1. Overview In this short tutorial, we’ll investigate the definition of “Plain Old Java Object” or POJO for short. We’ll look at how a POJO compares to […]
Concrete Class in Java
1. Introduction In this quick guide, we’ll discuss the term “concrete class” in Java. First, we’ll define the term. Then, we’ll see how it’s different from […]
